Add 40/63 and 18/36
40/63 + 18/36 is 143/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Add the two like fractions:
160/252 + 126/252 = 160 + 126/252 = 286/252 - 286/252 simplified gives 143/126
- So, 40/63 + 18/36 = 143/126
In mixed form: 117/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+18/36 40/63+18/72 40/63+54/36 40/63+90/36